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Discussion Starter · #1 ·
I’m about to put a 14:1 high compression piston in and stage 2 hot cams I was looking at getting a Tokyo mods carb I’ve heard great things about them but there’s almost nothing listed on what they do to them. I was also looking at a mikuni 42mm carb and trying to decide if I should get that. Any advice would be appreciated I’m new to atvs and what not. I have a 2006 Yfz450 by the way.
 

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Have the FCR bored.
 

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Discussion Starter · #3 ·
Have the FCR bored.
I was thinking of that but when it was stock it had a bad big that I fixed with a zip tie mod I’m not really a fan of that it just feels janky. could I fix the bog with some more work on jetting?
 

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Yes it can be taken care of, if possible you should put it on a dyno and get the jetting spot on. Are you getting the head done?
 
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